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einstein: Added quickload option for .COM files.

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This commit is contained in:
Nigel Barnes 2020-06-15 13:26:28 +01:00
parent d5a9abb048
commit 469e50bc20
1 changed files with 51 additions and 9 deletions
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56
src/mame/drivers/einstein.cpp
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@ -21,6 +21,7 @@
#include "bus/rs232/rs232.h"
#include "imagedev/cassette.h"
#include "imagedev/floppy.h"
#include "imagedev/snapquik.h"
#include "machine/adc0844.h"
#include "machine/i8251.h"
#include "machine/ram.h"
@ -100,6 +101,8 @@ public:
DECLARE_INPUT_CHANGED_MEMBER(joystick_button);
DECLARE_QUICKLOAD_LOAD_MEMBER(quickload_cb);
private:
TIMER_DEVICE_CALLBACK_MEMBER(keyboard_timer_callback);
void keyboard_line_write(uint8_t data);
@ -455,6 +458,9 @@ void einstein_state::machine_start()
m_bank1->configure_entry(1, m_bios->base());
m_bank2->set_base(m_ram->pointer());
m_bank3->set_base(m_ram->pointer() + 0x8000);
// register save states
save_item(NAME(m_rom_enabled));
}
void einstein_state::machine_reset()
@ -608,7 +614,7 @@ void einstein_state::einstein_mem(address_map &map)
void einstein_state::einstein_io(address_map &map)
{
map.unmap_value_high();
map(0x00, 0x00).mirror(0xff04).rw(FUNC(einstein_state::reset_r), FUNC(einstein_state::reset_w));
map(0x00, 0x01).mirror(0xff04).rw(FUNC(einstein_state::reset_r), FUNC(einstein_state::reset_w));
map(0x02, 0x02).mirror(0xff04).rw(m_psg, FUNC(ay8910_device::data_r), FUNC(ay8910_device::address_w));
map(0x03, 0x03).mirror(0xff04).w(m_psg, FUNC(ay8910_device::data_w));
map(0x08, 0x09).mirror(0xff06).rw("vdp", FUNC(tms9129_device::read), FUNC(tms9129_device::write));
@ -627,7 +633,7 @@ void einstein_state::einstein_io(address_map &map)
void einstein_state::einst256_io(address_map &map)
{
map.unmap_value_high();
map(0x00, 0x00).mirror(0xff04).rw(FUNC(einstein_state::reset_r), FUNC(einstein_state::reset_w));
map(0x00, 0x01).mirror(0xff04).rw(FUNC(einstein_state::reset_r), FUNC(einstein_state::reset_w));
map(0x02, 0x02).mirror(0xff04).rw(m_psg, FUNC(ay8910_device::data_r), FUNC(ay8910_device::address_w));
map(0x03, 0x03).mirror(0xff04).w(m_psg, FUNC(ay8910_device::data_w));
map(0x08, 0x0b).mirror(0xff04).rw("v9938", FUNC(v9938_device::read), FUNC(v9938_device::write));
@ -806,6 +812,38 @@ static INPUT_PORTS_START( einst256 )
INPUT_PORTS_END
/***************************************************************************
QUICKLOAD
***************************************************************************/
QUICKLOAD_LOAD_MEMBER(einstein_state::quickload_cb)
{
address_space& prog_space = m_maincpu->space(AS_PROGRAM);
if (quickload_size >= 0xfd00)
return image_init_result::FAIL;
/* disable rom */
m_rom_enabled = 0;
m_bank1->set_entry(m_rom_enabled);
/* load image */
for (uint16_t i = 0; i < quickload_size; i++)
{
uint8_t data;
if (image.fread(&data, 1) != 1)
return image_init_result::FAIL;
prog_space.write_byte(i + 0x100, data);
}
/* start program */
m_maincpu->set_pc(0x100);
return image_init_result::PASS;
}
/***************************************************************************
MACHINE DRIVERS
***************************************************************************/
@ -889,19 +927,19 @@ void einstein_state::einstein(machine_config &config)
TIMER(config, m_strobe_timer).configure_generic(FUNC(einstein_state::strobe_callback));
// uart
/* uart */
i8251_device &ic_i060(I8251(config, IC_I060, XTAL_X002 / 4));
ic_i060.txd_handler().set("rs232", FUNC(rs232_port_device::write_txd));
ic_i060.rts_handler().set("rs232", FUNC(rs232_port_device::write_rts));
ic_i060.dtr_handler().set("rs232", FUNC(rs232_port_device::write_dtr));
// rs232 port
/* rs232 port */
rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, nullptr));
rs232.rxd_handler().set(IC_I060, FUNC(i8251_device::write_rxd));
rs232.dsr_handler().set(IC_I060, FUNC(i8251_device::write_dsr));
rs232.cts_handler().set(IC_I060, FUNC(i8251_device::write_cts));
// floppy
/* floppy */
WD1770(config, m_fdc, XTAL_X002);
FLOPPY_CONNECTOR(config, IC_I042 ":0", einstein_floppies, "3ss", floppy_image_device::default_floppy_formats).enable_sound(true);
@ -912,17 +950,21 @@ void einstein_state::einstein(machine_config &config)
/* software lists */
SOFTWARE_LIST(config, "disk_list").set_original("einstein").set_filter("TC01");
quickload_image_device &quickload(QUICKLOAD(config, "quickload", "com", attotime::from_seconds(2)));
quickload.set_load_callback(FUNC(einstein_state::quickload_cb));
quickload.set_interface("einstein_quik");
/* RAM is provided by 8k DRAM ICs i009, i010, i011, i012, i013, i014, i015 and i016 */
/* internal ram */
RAM(config, RAM_TAG).set_default_size("64K");
// tatung pipe connector
/* tatung pipe connector */
TATUNG_PIPE(config, m_pipe, XTAL_X002 / 2, tatung_pipe_cards, nullptr);
m_pipe->set_program_space(m_maincpu, AS_PROGRAM);
m_pipe->set_io_space(m_maincpu, AS_IO);
m_pipe->nmi_handler().set_inputline(IC_I001, INPUT_LINE_NMI);
// user port
/* user port */
EINSTEIN_USERPORT(config, "user").bstb_handler().set(IC_I063, FUNC(z80pio_device::strobe_b));
}